倍加する · noun or participle which takes 'suru'
| Form | Positive | Negative |
|---|---|---|
| Dictionary | 倍加する | 倍加しない |
| Polite | 倍加します | 倍加しません |
| Past polite | 倍加しました | 倍加しませんでした |
| Past | 倍加した | 倍加しなかった |
| Te-form | 倍加して | 倍加しないで |
| Desire | 倍加したい | 倍加したくない |
| Potential | 倍加できる | 倍加できない |
| Passive | 倍加される | 倍加されない |
| Causative | 倍加させる | 倍加させない |
| Causative passive | 倍加させられる | 倍加させられない |
| Volitional | 倍加しよう | |
| Polite volitional | 倍加しましょう | |
| Imperative | 倍加しろ | 倍加するな |
| Conditional | 倍加すれば | 倍加しなければ |
| Tara conditional | 倍加したら | 倍加しなかったら |
noun, noun or participle which takes 'suru', transitive verb, intransitive verb
Refers to a precise twofold increase, often used in mathematical, economic, or quantitative contexts.
The budget doubled.
It's a plan to double the production volume.
noun, noun or participle which takes 'suru', transitive verb, intransitive verb
marked increase; multiplying; redoubling
Used for a significant, often dramatic increase, not necessarily exactly twofold. Common in abstract contexts like effort, risk, or intensity.
We redoubled our efforts and achieved the goal.
There is a possibility that the risk will multiply.
If you increase the dose, the effect doubles.
He succeeded in redoubling the team's efforts.